How Long Will This Go For?

The best guess is that it's two thousand alternate layers of metal, foil and paper coated with manganese dioxide and honey. The clapper has struck the bell ten billion, 911 million 456 thousand times since it started. And you know what? This em experiment is called the oxford dry pile experiment, and it's been going longer than physics. I just find it amazing that the stuff doesn't erode, which, i know, metals are a very erosion, you know, proof.